Opposition fighters

Opposition fighters

KARAM AL-MASRI / AFP/Getty Images

Opposition fighters open fire from behind a car during fighting in the Salaheddin district of the northern Syrian city of Aleppo. The Syrian Observatory for Human Rights reported fierce fighting in Damascus province between rebels and troops backed by pro-regime militias and fighters from Lebanon's Shiite Muslim movement Hezbollah.

Opposition fighters open fire from behind a car during fighting in the Salaheddin district of the northern Syrian city of Aleppo. The Syrian Observatory for Human Rights reported fierce fighting in Damascus province between rebels and troops backed by pro-regime militias and fighters from Lebanon's Shiite Muslim movement Hezbollah. (KARAM AL-MASRI / AFP/Getty Images)

Opposition fighters open fire from behind a car during fighting in the Salaheddin district of the northern Syrian city of Aleppo. The Syrian Observatory for Human Rights reported fierce fighting in Damascus province between rebels and troops backed by pro-regime militias and fighters from Lebanon's Shiite Muslim movement Hezbollah.